Power Electronics / Power Management


Latest Articles

28 V MIL-rated family of power systems
24 January 2007
The 28 V d.c. MIL-COTS VIPAC family of power systems is a new class of user-defined, modular power solutions for military COTS applications such as radar, military ground vehicle, communications equipment, ...

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Power units for LED lighting and signs
24 January 2007, Current Automation
Mean Well introduced two more product series for LED lighting purposes. The CLG-60 and PLN-60 series are 60 W AC/DC enclosed type switching power supplies with active PFC function. These limited power ...

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High-power lithium-ion - a new area in portable power
24 January 2007, Uniross Batteries
Until recently, applications for high current rate capabilities were reserved for nickel-cadmium and nickel-metal-hydride batteries. These applications include power tools and medical equipment. Much ...

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4 to 40 V LDO regulators
24 January 2007, Electrocomp, CST Electronics
Maxim's new ultra-low quiescent current, high-voltage, low-dropout (LDO) linear regulators are designed for harsh automotive environments. The MAX15006/7 can operate from a cold-crank voltage as low as ...

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Step-down converter enables smallest solution size
24 January 2007
AnalogicTech's AAT1149 is a 400 mA step-down converter that enables the use of the industry's latest 0603 footprint, 1 mm high inductors for the smallest possible total solution size. Coming in a small, ...

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Power supply unit for application microprocessors
29 November 2006
ON Semiconductor's NCP1526 is a high efficiency synchronous DC-DC buck (step-down) converter that includes a low noise LDO. Offered in a unique 0,55 mm ultra-thin DFN package, the device is designed to ...

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5 V power supply and battery pack for vehicles
29 November 2006, Electronic Products Design
Tri-M Systems and Engineering offers a 5 V power supply and battery pack for vehicular use. With up to 95% energy efficiency the V5SC features a 6 V to 40 V d.c. input range and 35 W capability. It delivers ...

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Space-saving 120 W external power supply for medical applications
29 November 2006, Vepac Electronics
XP Power offers a medically-approved, compact 120 W power supply for medical and other portable applications where high isolation and low leakage current specifications are required. The AMM120 is offered ...

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PoE controller simplifies PSE design
29 November 2006, Electrocomp
Linear Technology's LTC4263 is an autonomous single-channel power sourcing equipment (PSE) controller with an onboard MOSFET for use in IEEE 802.3af Power Over Ethernet (PoE) compliant systems. Requiring ...

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High current Li-Ion/Li-Polymer charge management controllers
15 November 2006, Electrocomp, Tempe Technologies, Altron Arrow, Future Electronics
Microchip Technology has launched the MCP73833 and MCP73834 single-cell, high current, Li-Ion/Li-Polymer linear charge-management controllers. These fully integrated devices combine several key charge-management ...

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Wide input step-down regulator delivers 3 A
15 November 2006, Altron Arrow
The new A8494 from Allegro MicroSystems Europe is a fixed off-time, current-mode-controlled, buck switching regulator IC that combines a 3 A current rating with a wide input voltage range of 8 V to 50 ...

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Next-generation of energy-saving MOSFET devices
15 November 2006, Electrocomp
At Power Systems World 2006, Infineon Technologies took the wraps off its family of next-generation power semiconductors used for DC-DC converter applications. According to the company, the new OptiMOS ...

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Pushbutton control for management of power systems
15 November 2006
Linear Technology's LTC2952 is a versatile power management IC with pushbutton on/off control for system power and system monitoring features. The power management function features two controllers suitable ...

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Mid-power rectifier IC is 'smart'
15 November 2006
Enabling smaller and cooler power supplies, International Rectifier's eight-pin IR1166 IC simplifies the design of mid-power secondary synchronous rectification (SR) circuits of resonant half-bridge converters ...

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Secure battery-backup controller
1 November 2006, CST Electronics, Electrocomp
Dallas Semiconductor’s battery-backup­controller for data protection in point-of-sale terminals, the DS3600, is the first in a family of secure battery-management products. It provides active tamper ...

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LED driver with analog and PWM dimming control
1 November 2006, Electrocomp, CST Electronics
The MAX16804 is a 350 mA, high-brightness LED driver from Maxim that features a high-voltage (40 V) PWM pin that allows a wide dimming range. A wide operating input-voltage range of 5,5-40 V helps protect ...

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Battery memory: myth or fact?
1 November 2006, Uniross Batteries
The word ‘memory’ was ­originally derived from ‘cyclic memory’; meaning that a ­nickel-cadmium battery could ­remember how much energy was drawn on preceding ­discharges. On a longer than scheduled discharge, ...

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UPS and extended battery back-up keeps website online
18 October 2006
On-line recruitment solution provider CareerJunction has secured its server room and 30 computer workstations against mains power failures by upgrading its existing UPS (uninterruptible power supply) ...

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Base station power supply units
18 October 2006
RF Cable & Connector Supplies has added two additional models to its popular Avenga 2000 series base station power supply unit. The AVE 2130 and AVE 2140 accommodate the Tait 2000 and 8000 mobile radios ...

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Business needs at the heart of new UPS range
18 October 2006
MGE UPS Systems has launched its new generation of Evolution UPSs, a high-frequency line interactive uninterruptable power supply range dedicated to network equipment. The new ultra-compact UPSs (1550 ...

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